BD9483F Datasheet, PDF (8/32 Pages) Rohm – White LED Driver for large LCD Panels (DCDC Converter type)

BD9483F,FV
●2 Block Diagram
VCC
VIN
REG90
STB
RT
Css _SS
Ccp _CP
FAILB
PWM1
PWM2
ADIM
VCC
VREG
UVLO
VCC
UVLO
TSD
UVLO
OVP
OVP
REG90
UVLO
OSC
SS
SS-FB
clamper
Fail
detect
PWM
COMP
CONTROL
LOGIC
Current
compensation
REG90
GATE1
CS1
LEB
PGND1
REG90
DIMOUT1
MAXFB
LEDOCP
ERROR
amp
1.0V
ISENSE1
FB1
Each channel
GATE2
CS2
1/3
PGND2
DIMOUT2
ISENSE2
FB2
VOUT1
Datasheet
VOUT2
Figure 12. Block Diagram
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TSZ02201-0F1F0C100100-1-2
28.Nov.2013 Rev.003